CN104579464A - Method and device for data transmission - Google Patents
Method and device for data transmission Download PDFInfo
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- CN104579464A CN104579464A CN201310495575.0A CN201310495575A CN104579464A CN 104579464 A CN104579464 A CN 104579464A CN 201310495575 A CN201310495575 A CN 201310495575A CN 104579464 A CN104579464 A CN 104579464A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
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Abstract
The invention discloses a method and a device for data transmission, and belongs to the technical field of chip optical interconnection. The method comprises the following steps: acquiring elliptically polarized light; performing polarization beam splitting on the elliptically polarized light to obtain a first beam of polarized light and a second beam of polarized light, both of which form the elliptically polarized light and have mutually perpendicular vibration directions; using the first beam of polarized light and the second beam of polarized light as carriers to transmit data. According to the invention, the number of carriers available in the optical communications platform is increased.
Description
Technical field
The present invention relates to chip optical interconnect technical field, particularly a kind of method and apparatus carrying out transfer of data.
Background technology
Along with the develop rapidly of computer technology, polycaryon processor gradually instead of single core processor, become the main flow processor in market.In order to reduce the size of processor, introducing silicon optical platform, between each core, carrying out transfer of data by light wave.
In silicon optical platform, general employing laser array is as light source, the light wave that a certain wavelength launched by each laser carries out the carrier wave of transfer of data as one, different endorse on different carrier waves, modulated the data needing to send by modulator, also can receive by detector the data that other core sends on each carrier wave.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
In prior art, in silicon optical platform, the integrated difficulty of laser is very large, especially when integrated limited space, the limited amount of laser that can be integrated is serious, because a laser can only launch the light wave of single wavelength, so, cause available number of carriers in silicon optical platform to receive larger restriction.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of method and apparatus carrying out transfer of data, to improve available number of carriers in communication platform.Described technical scheme is as follows:
On the one hand, provide a kind of method of carrying out transfer of data, described method comprises:
Obtain elliptically polarized light;
Polarization beam splitting is carried out to described elliptically polarized light, obtains forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light;
Respectively described First Line polarised light and the second linearly polarized light are carried out transfer of data as carrier wave.
On the other hand, provide a kind of device carrying out transfer of data, described device comprises:
Acquisition module, for obtaining elliptically polarized light;
Beam splitting module, for carrying out polarization beam splitting to described elliptically polarized light, obtains forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light;
Transport module, for carrying out transfer of data using described First Line polarised light and the second linearly polarized light as carrier wave respectively.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
In the embodiment of the present invention, generate elliptically polarized light, polarization beam splitting is carried out to elliptically polarized light, obtains the orthogonal First Line polarised light of direction of vibration and the second linearly polarized light that form elliptically polarized light, respectively First Line polarised light and the second linearly polarized light are carried out transfer of data as carrier wave.Because the light wave that laser is launched is generally elliptically polarized light, like this, two available carrier waves just can be generated by a laser, thus, available number of carriers in communication platform can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram carrying out transfer of data that the embodiment of the present invention provides;
Fig. 2 is the light channel structure schematic diagram that the embodiment of the present invention provides;
Fig. 3 is the light channel structure schematic diagram that the embodiment of the present invention provides;
Fig. 4 is the light channel structure schematic diagram that the embodiment of the present invention provides;
Fig. 5 is the apparatus structure schematic diagram carrying out transfer of data that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Embodiments provide a kind of method of carrying out transfer of data, as shown in Figure 1, the handling process of the method can comprise the steps:
Step 101, obtains elliptically polarized light.
Step 102, carries out polarization beam splitting to elliptically polarized light, obtains the orthogonal First Line polarised light of direction of vibration and the second linearly polarized light that form elliptically polarized light.
Step 103, carries out transfer of data using First Line polarised light and the second linearly polarized light as carrier wave respectively.
In the embodiment of the present invention, generate elliptically polarized light, polarization beam splitting is carried out to elliptically polarized light, obtains the orthogonal First Line polarised light of direction of vibration and the second linearly polarized light that form elliptically polarized light, respectively First Line polarised light and the second linearly polarized light are carried out transfer of data as carrier wave.Because the light wave that laser is launched is generally elliptically polarized light, like this, two available carrier waves just can be generated by a laser, thus, available number of carriers in communication platform can be improved.
Embodiment two
Embodiments provide a kind of method of carrying out transfer of data, the executive agent of the method can be the polycaryon processor being provided with communication platform (as silicon optical platform), also can be the optical communication system of arbitrary multiterminal communication.The present embodiment carries out the detailed description of scheme for the polycaryon processor being provided with communication platform, and the processing procedure of other system is similar, is not repeated at this.
Below in conjunction with concrete execution mode, be explained in detail the handling process shown in Fig. 1, content can be as follows:
Step 101, obtains elliptically polarized light.
Wherein, elliptically polarized light is made up of two orthogonal linearly polarized lights of direction of vibration.
In force, the elliptically polarized light (according to the design feature of laser in silicon optical platform, its light beam generated is generally the elliptically polarized light of fixed wave length) of certain wavelength can be generated by laser.The handling process of the embodiment of the present invention can be applied to the elliptically polarized light of the single wavelength that single laser generates, also can be applied to each elliptically polarized light in the elliptically polarized light of one group of different wave length, the elliptically polarized light of this group of different wave length can be generated by multiple laser (or a laser array) and be coupled to a waveguide through wavelength division multiplexer simultaneously.The elliptically polarized light of above-mentioned single wavelength, or any one elliptically polarized light in the elliptically polarized light of above-mentioned one group of different wave length, can be the elliptically polarized light that laser directly generates, also can be elliptically polarized light that laser generates carries out in the multiple elliptically polarized lights obtained after the beam splitting of space through beam splitter one.
Such as, laser array comprises n laser, launch the elliptically polarized light of n different wave length, each elliptically polarized light through the beam splitting of beam splitter space be m the identical elliptically polarized light of wavelength, in the elliptically polarized light of n different wave length, m is got for each elliptically polarized light and divides intrafascicular one, obtain the beam splitting of n different wave length, as the elliptically polarized light of one group of different wave length, m group elliptically polarized light can be obtained like this, for often organizing elliptically polarized light, can be coupled in a waveguide by wavelength division multiplexer, as a spatial channel, m group elliptically polarized light is coupled in m waveguide respectively.
The handling process of the embodiment of the present invention, the processing procedure for different spaces passage is identical, and the present embodiment carries out the detailed description of scheme for a spatial channel.
Step 102, carries out polarization beam splitting to elliptically polarized light, obtains the orthogonal First Line polarised light of direction of vibration and the second linearly polarized light that form elliptically polarized light.
Concrete, the process of this step can be: by birefringece crystal, carries out polarization beam splitting to elliptically polarized light, obtains the orthogonal First Line polarised light of direction of vibration and the second linearly polarized light that form elliptically polarized light.
Wherein, birefringece crystal has anisotropic crystal, can be decomposed into two light beams along different directions refraction after light beam enters birefringece crystal, birefringece crystal can be positive crystal also can be negative crystal, as the section of calcite, quartz, mica etc. or crystal etc.Here except adopting birefringece crystal, micro-ring etc. can also be adopted to carry out polarization beam splitting.It is First Line polarised light and the second linearly polarized light that elliptically polarized light carries out polarization beam splitting after refracting interface, wherein, the vibration vector of a linearly polarized light is perpendicular to the plane of incidence, the vibration vector of a linearly polarized light is in the plane of incidence, and the plane of incidence refers to the determined plane of normal of incident light (elliptically polarized light) and refracting interface.
In force, the elliptically polarized light obtained in above-mentioned steps can be imported the micro-polarization beam apparatus of birefringece crystal, the First Line polarised light then obtained by polarization beam splitting and the second linearly polarized light import different waveguides respectively.
Step 103, carries out transfer of data using First Line polarised light and the second linearly polarized light as carrier wave respectively.
In force, using First Line polarised light and the second linearly polarized light respectively as a carrier wave, Data Modulation and digital independent can be carried out respectively on two carrier waves.Can arrange different light channel structures according to the demand of reality, to realize transfer of data, this step can have multiple concrete processing method accordingly, following present the processing method under several different light paths structure:
Method 1
First, First Line polarised light and the second linearly polarized light are imported two modulation waveguides respectively as carrier wave, carries out Data Modulation.
Wherein, modulation waveguide is the waveguide for carrying out Data Modulation, and modulation waveguide can arrange one or more modulator.
For each core in processor, can modulator be set, modulator is arranged in waveguide, can on the carrier wave that its operation wavelength is corresponding modulating data, it can be the modulator of the different IPs selection different operating wavelength in same waveguide, the wavelength of corresponding different carrier respectively, can think that each core in same waveguide arranges specific for sending the carrier wave of data respectively, can be one or more carrier wave.
Above-mentioned two modulation waveguides can be respectively the first modulation waveguide and the second modulation waveguide.If carry out the process of step 101-103 to the elliptically polarized light of one group of different wave length simultaneously, each elliptically polarized light can be carried out the linearly polarized light that polarization beam splitting obtains and import the first modulation waveguide, and another linearly polarized light is all imported the second modulation waveguide.First modulation waveguide can arrange the modulator of multiple core, and the operation wavelength of each modulator can be respectively the wavelength of each elliptically polarized light.Second modulation waveguide also can arrange the modulator of multiple core, and the operation wavelength of each modulator can be respectively the wavelength of each elliptically polarized light.Two modulators in different modulating waveguide can have identical operation wavelength.
Then, by importing at least one detection waveguide through the First Line polarised light of Data Modulation and the second linearly polarized light, digital independent is carried out.
Wherein, detection waveguide is the waveguide for carrying out digital independent, and detection waveguide can arrange one or more detector.Demodulation multiplexer can be provided with in detector.
For each core in processor, can arrange detector, detector is arranged in waveguide, and detector can detect the light wave of each carrier wavelength and each direction of vibration, and then reads the data on all light waves.Because detector can distinguish the direction of vibration of light wave, so the First Line polarised light can distinguished through Data Modulation and the second linearly polarized light.
The number of detection waveguide can be one or more, in this step, the First Line polarised light through Data Modulation is imported all detection waveguides, the second linearly polarized light through Data Modulation is also imported all detection waveguides simultaneously.The detector of each core of processor can be separately positioned in a detection waveguide in each detection waveguide, such as, have 4 cores, two detection waveguides, the detector of two cores is arranged in one of them detection waveguide, and the detector of two other core is arranged in another detection waveguide.
As shown in Figure 2, for the structural representation of certain processor, wherein, corresponding each core is provided with switch (switch), and multistage waveguide is connected by switch and forms the first modulation waveguide, the second modulation waveguide, the first detection waveguide and the second detection waveguide respectively, in addition, also a switch can be set corresponding multiple core, such as, correspondence each bunch (being made up of multiple core, as 4*4) arranges a switch.First Line polarised light and the second linearly polarized light can import the first modulation waveguide and the second modulation waveguide respectively, first modulation waveguide imports the first detection waveguide and the second detection waveguide at port one place, the second modulation waveguide also imports the first detection waveguide and the second detection waveguide at port one place.The end of the first detection waveguide and the second detection waveguide can be provided with absorber, can not be communicated with, like this, can absorb remaining light wave, prevent interference with other waveguide.At port one place, the first modulation waveguide and the second modulation waveguide can not be interconnected.
Method 2
Respectively First Line polarised light and the second linearly polarized light are imported target annulus waveguide as carrier wave, in target annulus waveguide, carry out Data Modulation and digital independent.
Wherein, target annulus waveguide can be arbitrary disc waveguide.Processor each checks the modulator of answering and detector can be arranged in target annulus waveguide.
Preferably, in method 2, the elliptically polarized light that laser generates is the elliptically polarized light of pulsed, and lasting duration and the interval duration of pulse can be arranged according to demand.Simultaneously, at each modulator place, can absorber be set, for absorbing this linearly polarized light along during target annulus waveguide one week at the linearly polarized light through these modulators modulate data, stop this linearly polarized light again to enter this modulator, thus can prevent this linearly polarized light from producing interference to unmodulated linearly polarized light.Absorber can arrange and all absorb the light wave in predetermined wavelength, predetermined vibration direction, and does not absorb the light wave of other wavelength or direction of vibration.Absorber is set simultaneously at discontinuous MODE of operation, by lasting duration and the interval duration (not operating time) of the work of calculating and setting absorber, the transmission linearly polarized light of a week is stoped again to enter this modulator to enable absorber, and quit work when there being newly-generated linearly polarized light pulse to arrive, make this linearly polarized light pulse can enter modulator by absorber.
In method 2, the mode that First Line polarised light and the second linearly polarized light import target annulus waveguide can be had a variety of, selection can be carried out according to the demand of reality and arrange, following present the preferred process mode of two kinds of methods 2:
Method 2.1
First, delay transport process is carried out to First Line polarised light or the second linearly polarized light.
In force, delay transport process can be carried out by the light channel structure shown in Fig. 3, this light channel structure comprises a longer waveguide and shorter waveguide is parallel arranges, wherein comparatively long wave is led as time delay waveguide, a linearly polarized light in First Line polarised light and the second linearly polarized light can be imported time delay waveguide, to carry out delay transport process to this linearly polarized light, another linearly polarized light is imported shorter waveguide.
Then, respectively First Line polarised light is imported target annulus waveguide with the second linearly polarized light as carrier wave along identical transmission direction, in described target annulus waveguide, carry out Data Modulation and digital independent.
In force, First Line polarised light successively can import target annulus waveguide in identical position with the second linearly polarized light, as shown in Figure 3, and First Line polarised light can import along identical direction with the second linearly polarized light, is all clockwise direction or is all counterclockwise as direction.Absorber can be arranged on modulator incident side.
In addition, First Line polarised light and the second linearly polarized light also successively can import target annulus waveguide in different positions, at a distance of predeterminable range between the position of two linearly polarized light importings, can this predeterminable range be rationally set, causes interference to make can not overlap between First Line polarised light and the second linearly polarized light.
Method 2.2
Respectively First Line polarised light and the second linearly polarized light are imported target annulus waveguide as carrier wave along contrary transmission direction, in target annulus waveguide, carry out Data Modulation and digital independent.
In force, First Line polarised light can import target annulus waveguide in identical position with the second linearly polarized light, also can import target annulus waveguide in different positions.The time point of two linearly polarized light importing target annulus waveguide can be the same or different, and preferably, calculate, two linearly polarized lights can be made simultaneously to import target annulus waveguide in order to simplify the operation, conveniently.The position of target annulus waveguide is imported according to First Line polarised light and the second linearly polarized light, can determine that the position range disturbed occurs in target annulus waveguide for First Line polarised light and the second linearly polarized light, as shown in Figure 4, when arranging each modulator, can by the position be arranged on outside this position range of modulator, because modulator generally can not distinguish the linearly polarized light that wavelength is identical and direction of vibration is different, so process can prevent First Line polarised light and the second linear polarization from mutually disturbing like this.
In method 2.2, two absorbers can be set corresponding each modulator, two absorbers are corresponding with First Line polarised light and the second linear polarization respectively, be respectively used to absorb First Line polarised light and the second linear polarization, the absorber of corresponding First Line polarised light is positioned at the incident side of First Line polarised light to modulator, and the absorber of corresponding second linearly polarized light is positioned at the incident side of the second linearly polarized light to modulator.Visible, two absorbers lay respectively at the both sides of this modulator.
Except method 2.1 and method 2.2, method 2 also has other multiple processing mode, such as, First Line polarised light and the second linearly polarized light can be imported target annulus waveguide along equidirectional at diverse location simultaneously.For these processing modes, be not repeated at this.
In the embodiment of the present invention, generate elliptically polarized light, polarization beam splitting is carried out to elliptically polarized light, obtains the orthogonal First Line polarised light of direction of vibration and the second linearly polarized light that form elliptically polarized light, respectively First Line polarised light and the second linearly polarized light are carried out transfer of data as carrier wave.Because the light wave that laser is launched is generally elliptically polarized light, like this, two available carrier waves just can be generated by a laser, thus, available number of carriers in communication platform can be improved.
Embodiment three
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of device carrying out transfer of data, and as shown in Figure 5, described device comprises:
Acquisition module 510, for obtaining elliptically polarized light;
Beam splitting module 520, for carrying out polarization beam splitting to described elliptically polarized light, obtains forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light;
Transport module 530, for carrying out transfer of data using described First Line polarised light and the second linearly polarized light as carrier wave respectively.
Preferably, described beam splitting module 520, for:
By birefringece crystal, polarization beam splitting is carried out to described elliptically polarized light, obtain forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light.
Preferably, described transport module 530, for:
Described First Line polarised light and the second linearly polarized light are imported two modulation waveguides respectively as carrier wave, carries out Data Modulation;
By importing at least one detection waveguide through the First Line polarised light of Data Modulation and the second linearly polarized light, carry out digital independent.
Preferably, described transport module 530, for:
Respectively described First Line polarised light and the second linearly polarized light are imported target annulus waveguide as carrier wave, in described target annulus waveguide, carry out Data Modulation and digital independent.
Preferably, described transport module 530, for:
Delay transport process is carried out to First Line polarised light or the second linearly polarized light;
Respectively described First Line polarised light is imported target annulus waveguide with the second linearly polarized light as carrier wave along identical transmission direction, in described target annulus waveguide, carry out Data Modulation and digital independent.
Preferably, described transport module 530, for:
Respectively described First Line polarised light and the second linearly polarized light are imported target annulus waveguide as carrier wave along contrary transmission direction, in described target annulus waveguide, carry out Data Modulation and digital independent.
In the embodiment of the present invention, generate elliptically polarized light, polarization beam splitting is carried out to elliptically polarized light, obtains the orthogonal First Line polarised light of direction of vibration and the second linearly polarized light that form elliptically polarized light, respectively First Line polarised light and the second linearly polarized light are carried out transfer of data as carrier wave.Because the light wave that laser is launched is generally elliptically polarized light, like this, two available carrier waves just can be generated by a laser, thus, available number of carriers in communication platform can be improved.
It should be noted that: the device carrying out transfer of data that above-described embodiment provides is when carrying out transfer of data, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by device is divided into different functional modules, to complete all or part of function described above.In addition, the device carrying out transfer of data that above-described embodiment provides belongs to same design with the embodiment of the method for carrying out transfer of data, and its specific implementation process refers to embodiment of the method, repeats no more here.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
The present invention is not limited to the interconnection between processor core; mutual between the core of other chips such as internal memory, I/O controller; or mutual between chip, between equipment also can adopt the solution of the present invention; as long as adopt said method or device to carry out transfer of data, all within protection scope of the present invention.
Claims (12)
1. carry out a method for transfer of data, it is characterized in that, described method comprises:
Obtain elliptically polarized light;
Polarization beam splitting is carried out to described elliptically polarized light, obtains forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light;
Respectively described First Line polarised light and the second linearly polarized light are carried out transfer of data as carrier wave.
2. method according to claim 1, is characterized in that, describedly carries out polarization beam splitting to described elliptically polarized light, obtains forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light, comprising:
By birefringece crystal, polarization beam splitting is carried out to described elliptically polarized light, obtain forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light.
3. method according to claim 1, is characterized in that, describedly respectively described First Line polarised light and the second linearly polarized light is carried out transfer of data as carrier wave, comprising:
Described First Line polarised light and the second linearly polarized light are imported two modulation waveguides respectively as carrier wave, carries out Data Modulation;
By importing at least one detection waveguide through the First Line polarised light of Data Modulation and the second linearly polarized light, carry out digital independent.
4. method according to claim 1, is characterized in that, describedly respectively described First Line polarised light and the second linearly polarized light is carried out transfer of data as carrier wave, comprising:
Respectively described First Line polarised light and the second linearly polarized light are imported target annulus waveguide as carrier wave, in described target annulus waveguide, carry out Data Modulation and digital independent.
5. method according to claim 4, is characterized in that, describedly respectively described First Line polarised light and the second linearly polarized light is imported target annulus waveguide as carrier wave, in described target annulus waveguide, carries out Data Modulation and digital independent, comprising:
Delay transport process is carried out to First Line polarised light or the second linearly polarized light;
Respectively described First Line polarised light is imported target annulus waveguide with the second linearly polarized light as carrier wave along identical transmission direction, in described target annulus waveguide, carry out Data Modulation and digital independent.
6. method according to claim 4, is characterized in that, describedly respectively described First Line polarised light and the second linearly polarized light is imported target annulus waveguide as carrier wave, in described target annulus waveguide, carries out Data Modulation and digital independent, comprising:
Respectively described First Line polarised light and the second linearly polarized light are imported target annulus waveguide as carrier wave along contrary transmission direction, in described target annulus waveguide, carry out Data Modulation and digital independent.
7. carry out a device for transfer of data, it is characterized in that, described device comprises:
Acquisition module, for obtaining elliptically polarized light;
Beam splitting module, for carrying out polarization beam splitting to described elliptically polarized light, obtains forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light;
Transport module, for carrying out transfer of data using described First Line polarised light and the second linearly polarized light as carrier wave respectively.
8. device according to claim 7, is characterized in that, described beam splitting module, for:
By birefringece crystal, polarization beam splitting is carried out to described elliptically polarized light, obtain forming the orthogonal First Line polarised light of direction of vibration and second linearly polarized light of described elliptically polarized light.
9. device according to claim 7, is characterized in that, described transport module, for:
Described First Line polarised light and the second linearly polarized light are imported two modulation waveguides respectively as carrier wave, carries out Data Modulation;
By importing at least one detection waveguide through the First Line polarised light of Data Modulation and the second linearly polarized light, carry out digital independent.
10. device according to claim 7, is characterized in that, described transport module, for:
Respectively described First Line polarised light and the second linearly polarized light are imported target annulus waveguide as carrier wave, in described target annulus waveguide, carry out Data Modulation and digital independent.
11. devices according to claim 10, is characterized in that, described transport module, for:
Delay transport process is carried out to First Line polarised light or the second linearly polarized light;
Respectively described First Line polarised light is imported target annulus waveguide with the second linearly polarized light as carrier wave along identical transmission direction, in described target annulus waveguide, carry out Data Modulation and digital independent.
12. devices according to claim 10, is characterized in that, described transport module, for:
Respectively described First Line polarised light and the second linearly polarized light are imported target annulus waveguide as carrier wave along contrary transmission direction, in described target annulus waveguide, carry out Data Modulation and digital independent.
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| PCT/CN2014/088881 WO2015058655A1 (en) | 2013-10-21 | 2014-10-20 | Method and device for conducting data transmission |
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| CN109782292A (en) * | 2019-02-25 | 2019-05-21 | 贵州航天电子科技有限公司 | A kind of laser polarization detection device |
| CN109782292B (en) * | 2019-02-25 | 2024-01-26 | 贵州航天电子科技有限公司 | Laser polarization detection device |
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| WO2015058655A1 (en) | 2015-04-30 |
| CN104579464B (en) | 2017-08-04 |
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